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A Case of Pruritic Urticarial Papules and Plaques of Pregnancy: Pathophysiology and Serum Cytokine Profile

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We report a case of pruritic urticarial papules and plaques of pregnancy (PUPPP) starting with target lesions on both forearms at the end of second pregnancy. The patient’s target lesions… Click to show full abstract

We report a case of pruritic urticarial papules and plaques of pregnancy (PUPPP) starting with target lesions on both forearms at the end of second pregnancy. The patient’s target lesions became generalized itchy edematous eczema lesions especially on her abdomen extended by pregnancy, which immediately disappeared postpartum. The mechanism PUPPP has not been elucidated so far; however, the typical target lesion was the initial phenotype in the current case. To approach the pathophysiology of PUPPP, we examined the cytokine profile in the patient’s serum before and after delivery. The upregulated Th2 cytokine profile including IL-9 and IL-33, and the reaction against skin-resident bacteria and fungus might be involved in PUPPP.

Keywords: pruritic urticarial; case; cytokine profile; urticarial papules; papules plaques; case pruritic

Journal Title: Case Reports in Dermatology
Year Published: 2021

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